Total Residual Chlorine (Cl)

Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol

6-Nitrobenzo[a]pyrene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 352431-12-0

Molinate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2212-67-1